These are the packages that would be merged, in order:

Calculating dependencies ...

!!! Problem resolving dependencies for =x11-wm/xpra-6.2.5-r1
 done!
Dependency resolution took 0.84 s (backtrack: 0/20).


!!! The ebuild selected to satisfy "=x11-wm/xpra-6.2.5-r1" has unmet requirements.
- x11-wm/xpra-6.2.5-r1::gentoo USE="X client clipboard crypt dbus gtk3 jpeg lz4 opengl server trayicon x264 -avif -brotli -csc -cuda -cups -debug -doc -examples -gstreamer -html -ibus -mdns -minimal -oauth -openh264 -pinentry -pulseaudio -qrcode -sound (-systemd) -test -udev -vpx -webcam -webp -xdg -xinerama" PYTHON_SINGLE_TARGET="-python3_12 -python3_13" VIDEO_CARDS="-nvidia"

  The following REQUIRED_USE flag constraints are unsatisfied:
    exactly-one-of ( python_single_target_python3_12 python_single_target_python3_13 ) exactly-one-of ( python_single_target_python3_12 python_single_target_python3_13 )

  The above constraints are a subset of the following complete expression:
    exactly-one-of ( python_single_target_python3_12 python_single_target_python3_13 ) any-of ( client gtk3 server ) cups? ( dbus ) oauth? ( server ) opengl? ( client ) clipboard? ( gtk3 ) gtk3? ( client ) test? ( client clipboard crypt dbus gstreamer html server sound xdg xinerama ) video_cards_nvidia? ( cuda ) exactly-one-of ( python_single_target_python3_12 python_single_target_python3_13 )